{"schema":"threatline.record/2","record":{"id":"CVE-2026-112934","aliases":["GHSA-fj95-fr6c-h845"],"summary":"filelock: SoftReadWriteLock holder refresh writes through a hard link and hangs on a named pipe that another local user renames over its record","details":"filelock is a platform-independent file lock for Python. From 4.0.0 until 4.2.1, SoftReadWriteLock refreshes holder records by name, allowing another local user with rename access to the lock directory to replace a record with a named pipe and stall the lock, or under a permissive hard-link policy to link a reachable target file and cause the lock user to write through it. This issue is fixed in version 4.2.1.","categories":["Unclassified"],"product":"filelock","vendor":"tox-dev","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112934","source_modified_at":"2026-10-22T21:28:27.242Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"filelock","vendor":"tox-dev","versions":[{"version":">= 4.0.0, < 4.2.1","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":6.1,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00142,"percentile":0.03224,"score_date":"2026-10-23"},"published_at":"2026-10-20T14:30:43.736Z","modified_at":"2026-10-22T21:28:27.242Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112934","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T21:28:27.242Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112934","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/tox-dev/filelock/security/advisories/GHSA-fj95-fr6c-h845","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/tox-dev/filelock/pull/842","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/tox-dev/filelock/commit/bfa066d65a1ba9106f86ee9d027f7588b9c77e03","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/tox-dev/filelock/releases/tag/4.2.1","tags":["x_refsource_MISC"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-22T21:28:05.808470Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-22T21:28:27.242Z","content_hash":"8ae451adf9f471a4ced64f8eedce25678d9c67f9fe1b65ce60dbe4ad7dbaf3bf"}}
